This document discusses transportation systems and the various modes of transportation including air, ocean, rail, trucking, and passenger vehicles. It covers topics such as logistics, supply chain management, challenges facing major ports and airports, and security issues. New technologies being applied include RFID and sensors. Modes of public transportation discussed include passenger aircraft, high speed rail, and challenges around security. The document also provides an overview of the transportation infrastructure in North America and trends in port traffic over recent decades.